中文描述：
AFCONA助剂公司产品资料应用，以游客身份登录可下载产品资料，以注册用户登录可获得更多技术资料。该APP包括中文和英文版本。
英文描述：
AFCONA Additives product info. APP.Logging in as a guest, you can check recommendations, download product information, such as TDS, MSDS. If you are a registered client, you can find more detailed updated technical information.
the APP contains Chinese and English version.
版本更新内容:
fix some ui problem
